"The untold feelings" are emotions that someone keeps to themselves, not sharing or expressing them openly. These feelings remain hidden, perhaps due to fear of rejection, judgement and uncertainty on how 'your' person might react. These letters may continue to be the silent confessions of emotions, a way to express what remains unspoken in your shared moments. So, here's to the unspoken emotions, the unwritten chapters, and the hope that one day 'your' person might read between the lines and understand the depth of 'your' feelings for them.